4pcs U Pulley 0840UU U Type Pulley Roller Wheel Bearing Roller Wheel 8x 39.5x 20.1mm/0.3x1.6x0.8in
Special Features
【DURABLE, STURDY AND WEARABLE】This u groove pulley is made of high quality material, these pulleys are durable, sturdy and wearable.
【SMOOTH OPERATION】Internal lubrication grease, smooth operation, good mute effect.
【U-SHAPE GROOVE DESIGN】U-shape groove design, smooth surface reduces friction.
【WIDELY USED 】This u groove pulley is widely used in doors and windows to track and drive mechanical equipment. There are total 4 pieces of pulleys in one set that you many use for many projects.
【SIEZ】Inner Diameter: 8mm/0.3in, Outer Diameter: 39.5mm/1.6in, Thickness: 20.1mm/0.8in.
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